is 2 5096173 - 1
has 1534101 decimal digits
takes 0.706 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2675.830665.6716%----5.830665.6716%0.0000%
PrimeNet2610.060362.2951%220005000000.00973.4091%0.069963.5805%1.2854%
GPU722651.431664.6154%340007000000.01412.4238%1.445765.4730%0.8576%
Difference+2+4.3990+1.0563%-34000-700000-0.0141-2.4238%+4.3849+0.1986%+0.1986%

Known prime factors (2 factors, 96.4 bits, 0.00189152% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5096173937695833929.80592
22 × 23
-4231.431e-111.012e-61.636e-6
50961731111003024361774346472166.59010900366062551
7 × 83 × 124339 × 150889
2019-10-311243391508894.73310.02530.0509

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
50961731041782906394433289171217259513096.395
P-1 results:
No P-1 results for M5096173


Trial Factoring results:
No TF results for M5096173


ECM factoring results:

Old Calculation Method

Total ECM effort:0.422 GHz-days
Estimated T-Level:0.100
DigitsB1CurvesCompleteFacMiss
20110002 / 1000.02098.010%
25500002 / 2800.00799.287%

New Calculation Method

Total ECM effort:0.422 GHz-days
Estimated T-Level:0.100
DigitsB1CompleteFacMiss
20110000.07792.596%
25500000.00799.291%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.422


Lucas-Lehmer results:
No L-L results for M5096173


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T18:09:08kkmrkkblmbrbkManual testing
937695833
72F832B1F5F6DB__no
2018-05-04T08:32:08ATHec2-PRPCFDC
937695833
72F832B1F5F6DB__no
2019-11-12T17:21:10mnd975211front
937695833
111100302436177434647
DFC8BD93914E9923no
2019-11-14T19:01:32arnaudstm-11-010
937695833
111100302436177434647
DFC8BD93914E9923no


P-1 factor-bounds graph:
100
101
102
103
104
105
106
100
101
102
103
104
105
106
TF factor-bounds graph:
267
220
230
240
250
260
270
280
290
2100
Last modified: 2019-11-14T19:01:32+00:00